act of terrorism vs Red Sun

act of terrorism and Red Sun both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of terrorism	Yes	No	No	No
Red Sun	Yes	No	No	No

act of terrorism (noun)	Red Sun (noun)
the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear	a small but violent terrorist organization formed in Ecuador in the early 1990s; responsible for bombing several government buildings